The 1-pc BERICAP DoubleSeal screw closure, made of HDPE, and equipped with an inner and outside sealing lip, providing a superior tight seal for PET one-way bottles with 33mm 2-start neck finish. The slit flex band provides reliable tamper evidence, assures the integrity of the product and breaks reliable after first opening. The closure is suitable for aseptic filling. The height of the closure support a convenied grip to open the bottle.